Presentation 2005/10/6
Normally-off AlGaN/GaN HEMT with Recessed Gate for High Power Applications
Ken Nakata, Takeshi Kawasaki, Seiji Yaegassi,
PDF Download Page PDF download Page Link
Abstract(in Japanese) (See Japanese page)
Abstract(in English) AlGaN/GaN HEMTs are attractive devices for high power switching applications because of their high electron mobility and high breakdown characteristics. But it is difficult to realize normally-off characteristics due to the high 2-DEG density. To solve the issue, we have developed AlGaN/GaN HEMTs with recessed gate structure. We obtained the HEMT with the threshold voltage of 0.3V, which means completely normally-off characteristics, and observed no significant on-state resistance increase. The on-state resistance of 2.0mΩcm^2 and the breakdown voltage of 400V were also obtained. The obtained on-state resistance is the lowest value of normally-off AlGaN/GaN HEMTs to our best knowledge.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) AlGaN / GaN / HEMT / power switching device / low specific on-state resistance / high breakdown voltage / normally-off
Paper # ED2005-129,CPM2005-116,LQE005-56
Date of Issue

Conference Information
Committee ED
Conference Date 2005/10/6(1days)
Place (in Japanese) (See Japanese page)
Place (in English)
Topics (in Japanese) (See Japanese page)
Topics (in English)
Chair
Vice Chair
Secretary
Assistant

Paper Information
Registration To Electron Devices (ED)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Normally-off AlGaN/GaN HEMT with Recessed Gate for High Power Applications
Sub Title (in English)
Keyword(1) AlGaN
Keyword(2) GaN
Keyword(3) HEMT
Keyword(4) power switching device
Keyword(5) low specific on-state resistance
Keyword(6) high breakdown voltage
Keyword(7) normally-off
1st Author's Name Ken Nakata
1st Author's Affiliation Eudyna Devices Inc.()
2nd Author's Name Takeshi Kawasaki
2nd Author's Affiliation Eudyna Devices Inc.
3rd Author's Name Seiji Yaegassi
3rd Author's Affiliation Eudyna Devices Inc.
Date 2005/10/6
Paper # ED2005-129,CPM2005-116,LQE005-56
Volume (vol) vol.105
Number (no) 325
Page pp.pp.-
#Pages 6
Date of Issue